释义 |
Precambrian eon ThesaurusNoun | 1.Precambrian eon - the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years agoPrecambrian, Precambrian aeon, Precambrian periodProterozoic, Proterozoic aeon, Proterozoic eon - from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organismsArchaeozoic, Archaeozoic aeon, Archean, Archean aeon, Archean eon, Archeozoic, Archeozoic eon - the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life |
Precambrian eon
Synonyms for Precambrian eonnoun the eon following the Hadean time and preceding the Phanerozoic eonSynonyms- Precambrian
- Precambrian aeon
- Precambrian period
Related Words- Proterozoic
- Proterozoic aeon
- Proterozoic eon
- Archaeozoic
- Archaeozoic aeon
- Archean
- Archean aeon
- Archean eon
- Archeozoic
- Archeozoic eon
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